1040795020 has 12 divisors (see below), whose sum is σ = 2185669584. Its totient is φ = 416318000.

The previous prime is 1040795009. The next prime is 1040795027. The reversal of 1040795020 is 205970401.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040795020.

It is not an unprimeable number, because it can be changed into a prime (1040795027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26019856 + ... + 26019895.

It is an arithmetic number, because the mean of its divisors is an integer number (182139132).

Almost surely, 2^1040795020 is an apocalyptic number.

1040795020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040795020 is an abundant number, since it is smaller than the sum of its proper divisors (1144874564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1040795020 is a wasteful number, since it uses less digits than its factorization.

1040795020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52039760 (or 52039758 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1040795020 is about 32261.3549002518. The cubic root of 1040795020 is about 1013.4175053677.

The spelling of 1040795020 in words is "one billion, forty million, seven hundred ninety-five thousand, twenty".